I got a 1998 c1500 w/5.0 engine with about 200k miles. Truck is really reliable and I have maintained it quite well. Truck stalled out while I was driving and i could not get it to start up again. Luckily, i was able to coast it to a paking lot. At first I thought it was the fuel pump but i can hear it working and had previously replaced it. I checked the fuel pressure and it was good. I can't find any vacuum leaks and everything seems to be conected. Air filter is clean too. I can't find what the problem could be. Maybe distributor cap? Please advise?
It may be the ignition control module, if you have one on that engine. Check all the plug in electrical connections at the distributor, it may just be a loose connection.
spray some starting fluid into the throttle body
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Turns out it was my distibutor cap. Replaced it and the rotar and truck came back to life!
Nice work and thanks for reporting back.